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Get image from resources

Mar 7th, 2008

When I created new project I went to Solution Explorer and in Properties I double clicked on Resources.resx. Here I clicked on Add Resource and Add Existing File. Selected images been added and I can use them for darg&drop on form.
My problem is I need to create sort of rollover effect on pictureBox. PictureBox image property is set to none for start. When I go with mouse over pictureBox I want to upload image from resources. How do I do it?

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pictureBox.Image = ? ? ? ? ?

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Re: Get image from resources

Mar 7th, 2008

C# on MSDN: http://msdn2.microsoft.com/en-us/vcsharp/default.aspx

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 C# Syntax (Toggle Plain Text) 
pictureBox1.Image = Properties.Resources.[image name];
pictureBox1.Image = Properties.Resources.[image name];

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Re: Get image from resources

Mar 7th, 2008

OK no error after that, but once I get mouse over pictureBox image is not uploaded. Did I forgot somethink like Paint? I wish they library system was more like Java API...

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Re: Get image from resources

Mar 8th, 2008

In pictureBox event handler (MouseOver) assign the picturebox.image to the image which in resources. It works!

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Re: Get image from resources

Mar 9th, 2008

You have to be a little slow when moving your mouse over the picturebox. If you want precision movement try considering writing code in the MouseEnter, MouseLeave event handlers.

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Last edited by happygeek; Mar 9th, 2008 at 8:07 am. Reason: fake sig, please see the rules

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Re: Get image from resources

Mar 10th, 2008

I forgot to attach silly event handler

For anybody who wish to generate 2D array of pictureBoxes on runtime here is code snipped for it

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 C# Syntax (Toggle Plain Text) 
for (int x = 0; x < stonePlaced.GetUpperBound(0); x++)
{
	for (int y = 0; y < stonePlaced.GetUpperBound(1); y++)
		{
			stonePlaced[x, y] = new PictureBox();
			stonePlaced[x, y].Size = new Size(80, 80);
			stonePlaced[x, y].Location = new Point((80 * x),(80 * y));
			stonePlaced[x, y].BackColor = 
                                   System.Drawing.Color.Transparent;
			stonePlaced[x, y].MouseHover += 
                                   new System.EventHandler(this.stonePlaced_MouseHover);
			stonePlaced[x, y].MouseLeave += 
                                  new System.EventHandler(this.stonePlaced_MouseLeave);
			boardPanel.Controls.Add(stonePlaced[x, y]);
		}
}
for (int x = 0; x < stonePlaced.GetUpperBound(0); x++)
{
	for (int y = 0; y < stonePlaced.GetUpperBound(1); y++)
		{
			stonePlaced[x, y] = new PictureBox();
			stonePlaced[x, y].Size = new Size(80, 80);
			stonePlaced[x, y].Location = new Point((80 * x),(80 * y));
			stonePlaced[x, y].BackColor = 
                                   System.Drawing.Color.Transparent;
			stonePlaced[x, y].MouseHover += 
                                   new System.EventHandler(this.stonePlaced_MouseHover);
			stonePlaced[x, y].MouseLeave += 
                                  new System.EventHandler(this.stonePlaced_MouseLeave);
			boardPanel.Controls.Add(stonePlaced[x, y]);
		}
}

And event listeners

 Help with Code Tags 
 C# Syntax (Toggle Plain Text) 
private void stonePlaced_MouseHover(object sender, EventArgs e)
{
	PictureBox pb;
	pb = (PictureBox)sender;
        pb.Image = Properties.Resources.purple;
}
 
private void stonePlaced_MouseLeave(object sender, EventArgs e)
{
	PictureBox pb;
	pb = (PictureBox)sender;
	pb.Image = null;
}
private void stonePlaced_MouseHover(object sender, EventArgs e)
{
	PictureBox pb;
	pb = (PictureBox)sender;
        pb.Image = Properties.Resources.purple;
}

private void stonePlaced_MouseLeave(object sender, EventArgs e)
{
	PictureBox pb;
	pb = (PictureBox)sender;
	pb.Image = null;
}