好的,我调整了一下,现在正是我想要的结果。我有一个textBox1
,panel1
和drawTexta
(一个按钮)。
当我点击按钮并在面板上选择一个点时,我希望从textBox1
中绘制字符串。
private void panel1_Paint(object sender, PaintEventArgs e)
{
using (SolidBrush br = new SolidBrush(Color.Red))
{
StringFormat sf = new StringFormat();
sf.FormatFlags = StringFormatFlags.DirectionRightToLeft;
e.Graphics.DrawString(textBox1.Text, this.Font, br, point1, sf);
}
}
private void panel1_MouseDown(object sender, MouseEventArgs e)
{
point1 = new Point(e.X, e.Y);
}
bool flag = false;
Point point1 = new Point();
private void drawTexta_Click(object sender, EventArgs e)
{
flag = true;
panel1.Refresh();
}
SolidBrush
会导致内存泄漏。 - Alvin Wongusing
块中),因为它们不会被垃圾回收。http://dotnetfacts.blogspot.com/2008/03/things-you-must-dispose.html - Alvin Wong