GroupBox.AutoSize and GroupBox.Text wrapping

问题

I have two problems with the GroupBox, they appears after setting GroupBox.AutoSizeMode = AutoSizeMode.GrowAndShrink and GroupBox.AutoSize = true.

• GroupBox.Text width is not taken into account at all. Sizing will occurs to fit content only and then text will get wrapped if it doesn't fit. If it cannot fit - it is simply not displayed.

• There is unnecessarily big gap between bottom of the GroupBox and Label inside.

Questions:

How to make GroupBox respecting its Text property when autosizing? And how to remove that gap?

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For some reasons my previous question gets on hold. Should I delete it or what?

P.S.: if you are putting on hold or something, please comment what is exactly not-clear in what I am asking!

回答1:

/* 
Calculate the Text Width in pixels, then set the size for the GroupBox.
*/


groupBoxA.SuspendLayout();


SizeF stringSizeLabel;

using (System.Drawing.Graphics graphics = System.Drawing.Graphics.FromImage(new Bitmap(1, 1)))
{
    Font stringFont = new Font("Microsoft Sans Serif", 8.25F);
    stringSizeLabel = graphics.MeasureString("SAMPLE TEXT", stringFont);
}

int iWidth = (int)(stringSizeLabel.Width * 1.35f); // Give a little extra width
int iHeight = 78; // This is a sample value

groupBoxA.Size = new System.Drawing.Size(iWidth, iHeight);
groupBoxA.MinimumSize = new System.Drawing.Size(iWidth, iHeight);


groupBoxA.ResumeLayout(false);
groupBoxA.PerformLayout();

来源：https://stackoverflow.com/questions/18337421/groupbox-autosize-and-groupbox-text-wrapping