Change Image In Windows Forms App. System.Drawing.Bitmap In A PictureBox
Jul 19, 2010
I have a VB.NET Windows Forms app with a logo image on the form as a System.Drawing.Bitmap inside a PictureBox.I used the Visual Studio Designer to add the logo .bmp image so I don't currently have any VB code doing anything with it.I'd like to make the current logo a clickable object/button so when I click on it a file browser dialog opens and I can select a new image to replace the current image.The current image is a local resource and is set in a PictureBox as a System.Drawing.Bitmap.How would I replace that System.Drawing.Bitmap with a file selected from the file browser dialog?
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Aug 17, 2009
With this line...
If PictureBox1.Image = My.Resources._2star Then
I get this error: Operator '=' is not defined for types 'System.Drawing.Image' and 'System.Drawing.Bitmap'.Is there another way to say = with images?
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Nov 28, 2009
my goal is to copy the content of a picturebox, to a System.Drawing.Bitmap object, called tempBMP. but i didnt even use it i just tried to declare it there's an error: Object reference not set to an instance of an object.
here's my
Private Sub Button4_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button4.Click
Dim colors(sizeX - 1, sizeY - 1) As Color
[Code].....
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Dec 15, 2010
I'm trying to use a ToolTip directly to a Bitmap Object (System.Drawing.Bitmap), aparently I can't do this because Bitmap isnt a Windows Control.
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May 23, 2009
Is it possible to convert an object form System.Drawing.Graphics to System.Drawing.Image?
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Jan 21, 2010
Here is my favicon code
Dim oURL As Uri = New Uri(e.Uri.AbsoluteUri)
Dim favicon As Image
If oURL.HostNameType = UriHostNameType.Dns Then
[code]....
The error is Value of type System.Drawing.Image cannot be converted to System.Drawing.Icon Is it even possible to make the favicon be the icon of the form?
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Apr 3, 2009
im using an MDI parent form and MDI Child. how can i print the image that's inside a picture box that's inside the Child from a button that's on the Parent?when i try to use print preview or print dialog, i can't get it to recognize that the document is the picure inside the picture box. i've looked up this error message:Value of type 'System.Drawing.Image' cannot be converted to 'System.Drawing.Printing.PrintDocument'.[code]
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Aug 13, 2009
how to change the image of the picturebox after the given button_click... also i should get the image from OpenFileDialog..
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Apr 9, 2012
I am making a web browser using geckofx. I have put the favicon in a picture box but I have changed my mind and now I want it as the form's icon. The code for the favicon is:[code...]
The favicon works fine in the picture box but i think it will look better as an icon. If i change the line Me.PictureBox1.Image = favicon to Form1.icon = favicon I get the error Value of type 'System.Drawing.Image' cannot be converted to 'System.Drawing.Icon'. How can I get this to work?
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Jan 20, 2010
I have a System.Drawing.Graphics g, which draw something in a PictureBox. Now I want to export this pGraphics to a new System.DrawingImage pImage (or Bitmap). But how?
Dim pImage As Bitmap
Dim g As Graphics
g = Graphics.FromImage(b)
[Code].....
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Mar 10, 2010
I have two graphics I'm trying to superimpose into one, then display in a DataGridViewImage cell...The Value property of a DataGridViewImage is an Image type.
Dim Image1 As System.Drawing.Image = imgl_Imagelist1.Images(0)
Dim Image2 As New Bitmap(imgl_ImageList2.Images(0))
Dim DualGraphic As Graphics = Graphics.FromImage(Image1)
[code].....
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Mar 29, 2010
is it possible to create a CachedBitmap from a System.Drawing.Bitmap within Visual Basic 2005 by using APIs ?
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Jun 15, 2010
I', working on a program where there are several projects within a solution. The solution contains a forms application, a couple of class libraries, and a public interface.I'm running into a strange problem where I can access the system.drawing.bitmap namespace from the main form and from one of the class libraries, but when I try to access it from the other class library or the interface, it tells me it is not defined. I've tried importing it, and calling it directly with no luck.
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Nov 18, 2010
I'm taking a screenshot as a System.Drawing.Bitmap and trying to send it through a network as a byte array.If I take the original screenshot and simply save it to disk, it's about 200Kb.Instead I'm saving it to a memorystream so I can write that back to a Byte Array and it's coming out over 6Mb.
[code]...
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Dec 19, 2010
I am getting the error " 'InterectsWith' is not a member of 'System.Windows.Forms.Picturebox'. can anyone help me with this? and my code is:
Public Class Form1
Dim player_stand_l As Image
Dim player_stand_r As Image
[code]....
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Mar 21, 2012
I am having trouble in browse & then save an image to SQL Server.ALso I want to retrieve that image.This is the code to browse image & show it in PictureBox1 Control
Public Sub SelectImage()
With OpenFileDialog1
'.InitialDirectory = "C:"
[code]....
But don't know how to pass it to image parameter .Also is there any way that I can save image on Local drive & just save the url /location/name in database?
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Oct 18, 2010
I have several pictureboxes in my form with names as "stop0", "stop1", "stop2" ... upto a the number of checked items in my checklistbox. My aim is to use a for-next function so that the program should use for all these pictureboxes a specific image. here is the code I made so far:
Dim a As String = selectedbutton.Replace(" ", "_") & "_"
Dim c As String = ""
For n = 0 To chklstStops.CheckedItems.Count
[Code]......
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Nov 12, 2008
How do I rotate a bitmap image that has been placed in a picturebox? I need to make it appear upside down or rotated according to user input. I can't find anything in the properties to do this
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Jul 20, 2011
I have 4 control 3 button and 1 picturebox
vb.net
Private sub Button1 Dim bm As Bitmap = New Bitmap("D:Trening4 - Copy.bmp"
[code].....
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Jan 9, 2012
delete a file that was previously used with PictureBox.Image = New Bitmap(PathName)?
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Jan 9, 2011
I am new to vb.net, from VB6. Trying to understand drawing a simple line graph into a picturebox, which was so simple in VB6 ! From code snippets, I can see the basic idea using an bitimage to draw the lines and then showing it in a picturebox. I don't understand how to (simulate) scaling of the bitmap's x/y scales like you could do with VB6's .Scale.
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Nov 23, 2011
I have 1 image in picturebox. Now I draw some rectangles. I'm trying clear the image (only rectangles and left the image) without success.
Private Sub btnImageSelection_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnImageSelection.Click
Dim intImages As Integer = 0
Dim intImagesLine As Integer = 0
Dim intImagesColune As Integer = 0
picImage.Image = PictureBox1.Image
[Code] .....
The cycles for is for show the rectangules and works fine. but
i.Clear(Color.Blue)
The image is clear but the rectangles are showed and then unshowed.
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Aug 11, 2011
I am currently using Visual Studio 2008 (VB.Net) and SQL Server 2008. I have images saved on the database as image. When I fetch it into my code it is a System.Byte[] and I am unable to cast it as a System.Drawing.Image to save to my DevExpress(v10.2).XtraEditors.ImageEdit.
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Sep 8, 2010
I have the code which checks if there is a selected tab
Private Function GetBrowser() As WebBrowser
If TabControl1.SelectedTab IsNot Nothing Then
For Each c As Control In TabControl1.SelectedTab.Controls
If TypeOf (c) Is WebBrowser Then
Return c
[Code]...
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Mar 16, 2009
With the following imported namespaces in my project :
Imports System.Windows.Forms
Imports System.Reflection
.. I cannot add..
[code].....
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May 18, 2010
How do you change your cursor into a bitmap image?
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Apr 28, 2009
I have a panel with some controls in it (several textboxes, a slider, 2 buttons, and a small groupbox).. When I click a button, I want all of the textboxes within the panel to be readonly... So I have this code: [code] When I run it though, I get the following error:Unable to cast object of type 'System.Windows.Forms.Button' to type 'System.Windows.Forms.TextBox'.If I remove a button, it moves on to give me the same error but for a label..
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Oct 5, 2010
Question: I get an exception serializing this class to a nHibernate xml file ({"Could not determine type for: System.Drawing.Image, System.Drawing, for columns:NHibernate.Mapping.Column(Settings)"}).
using System;
using System.Collections.Generic;
using System.Text;
[code].....
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Jun 21, 2010
How do i get System.Drawing.Image in the settings type?
i have a project with different buttons when a user clicks a button the image of PictureBox1 will change.
i want to save this image that the user has chosen after he closes the application, so it will be displayed in PictureBox1 when loaded.
i am using Microsoft Visual Basic 2010 Express
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Sep 2, 2009
I think that changing from WinForms to WPF just because the blur effect is easier to do in WPF is the stupiest thing i can do right now it took me time to understand how the windows form application works i dont even how change the source of an image in WPF so here we are again. how to blur a speciefied image using CODE ONLY ?
See what im trying to do:
1. Imagine that you turn on your pc. takes some time to load.
2. Finally for the first time you are on the desktop.
3. Before you do something after every icon is loaded my program
takes a picture of the desktop and blurs it.
4. then it runs fullscreen showing the desktop behind as blurred and
not giving you access to the desktop.
5. a login/register border pops up
6. if you login the program closes if you dont it stays there
waiting for you to login or register.
I wont use it that way im planning to do it on the startup of my program only blur the window not the screen (i mean the content of my window) untill you login or register then it clears again. What i need to learn:
1. How to take a screenshot of my program (only yhe content of the window) [Progress: 1% (cause i know how to take a screenshot of the desktop)]
2. How to blur that image [Progress: 100%]
No need for third party programs or dlls i mean isnt there a default function in vb.net the stupiest way to do it?
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