我是vb.net的新手,我想在图像上添加一些文字,但似乎我的代码根本无法使用。在图像中添加文字vb.net
Public Class Form1
Dim Graph As Graphics
Dim Drawbitmap As Bitmap
Dim Brush As New Drawing.SolidBrush(Color.Black)
Private Sub RichTextBox1_TextChanged(ByVal sender As System.Object, ByVal e As EventArgs)
Drawbitmap = New Bitmap(PictureBox1.Width, PictureBox1.Height)
Graph = Graphics.FromImage(Drawbitmap)
PictureBox1.Image = Drawbitmap
Graph.SmoothingMode = Drawing2D.SmoothingMode.HighQuality
Graph.DrawString(RichTextBox1.Text, RichTextBox1.Font, Brush, PictureBox1.Location)
End Sub
End Class
文本?就像在后台有一些文字在前景中的图像? –
你不刷新PictureBox。 – jAC