DIsplaying UniCode chars in WinXP.

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.NET2.0

C#

Windows

.NET

Hello Experts.

I have a small form based application. which displays unicode chars, this program works fine on windows 7. but fails on windows XP.

for testing i have created a simple program,

this program has a unicode text,

In the On Paint event the text is displayed properly.
(On Win 7 = displayed Properly, On XP = Displayed Properly)

but if the same string displayed on a Button's caption it's characters are displayed as blank rectangles.
(On Win 7 = displayed Properly, On XP = blank rectangles).

in windows 7 there is no problem, but if i run this program under windows XP, then
on button's caption string is displayed as blank rectangles.

am i missing something.

pl. suggest.

-prateek.


here is the code.

public partial class TestForm : Form
   {
       string m_strText;
       public TestForm()
       {
           InitializeComponent();
       }


       private void TestForm_Paint(object sender, PaintEventArgs e)
       {
           Graphics g = e.Graphics;
           g.DrawString ( m_strText, 
                          new Font ( this.Font.FontFamily, 20 ), 
                          new SolidBrush ( Color.Blue), 
                          10, 10 ) ;
       }


       private void TestForm_Load(object sender, EventArgs e)
       {
           char [] szBuf = new char [] { (char)0x915, (char)0x916, 
                                           (char)0x917, (char)0x918 } ;
           int nCnt = szBuf .Length;
           for (int nC = 0; nC < szBuf.Length; nC++)
                 m_strText  += szBuf[nC];
       }

       private void btnGet_Click(object sender, EventArgs e)
       {
           btnGet.Text = m_strText;
           this.Text = m_strText;
       }
   }