picturebox width height c# code example
Example: how to set picturebox width with form width in c#
private void Form1_Resize(object sender, System.EventArgs e)
{
Control control = (Control)sender;
double percentage = 0.7;
int width = control.Size.Width;
//width = (int)Math.Round(test*perc); imagewidth 70% of form width
int heigth = control.Size.Width;
picturebox1.Size = new Size(width,height);
}