csharp:datagridview enter Half Width and Full Width characters，csharpdatagridview
/// <summary>
/// 全角
/// </summary>
/// <param name="unicodeString"></param>
/// <returns></returns>
public static string FullWidthConvertor(string unicodeString)
{
StringBuilder sb = new StringBuilder(256);
LCMapString(LOCALE_SYSTEM_DEFAULT, LCMAP_FULLWIDTH, unicodeString, -1, sb, sb.Capacity);
return sb.ToString();
}
/// <summary>
/// 半角
/// </summary>
/// <param name="unicodeString"></param>
/// <returns></returns>
public static string HalfWidthConvertor(string unicodeString)
{
StringBuilder sb = new StringBuilder(256);
LCMapString(LOCALE_SYSTEM_DEFAULT, LCMAP_HALFWIDTH, unicodeString, -1, sb, sb.Capacity);
return sb.ToString();
}
private const uint LCMAP_FULLWIDTH = 0x00800000;
private const uint LOCALE_SYSTEM_DEFAULT = 0x0800;
private const uint LCMAP_HALFWIDTH = 0x00400000;
[DllImport("kernel32.dll", CharSet = CharSet.Unicode)]
public static extern int LCMapString(uint Locale, uint dwMapFlags, string lpSrcStr, int cchSrc, StringBuilder lpDestStr, int cchDest);
/// <summary>
/// DataGridView單位格輸入全角轉半角
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void dridViewRowNumberNo_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
{
GridViewRowNumberNo dt = sender as GridViewRowNumberNo;
//獲取列序號
int columnIndex = dt.CurrentCell.ColumnIndex;
//單位格轉化成文本框
TextBox tb = e.Control as TextBox;
//委托單位格KeyPress事務
tb.KeyPress += new KeyPressEventHandler(geovindu_KeyPress);
}
/// <summary>
/// 單位格KeyPress事務
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void geovindu_KeyPress(object sender, KeyPressEventArgs e)
{
Control ctl = sender as Control;
if (ctl == null)
return;
if (ctl.ImeMode != ImeMode.Hangul)
ctl.ImeMode = ImeMode.Hangul;
//全角轉半角
if (e.KeyChar >= 65296 && e.KeyChar <= 65305)
{
e.KeyChar -= Convert.ToChar(65248);
}
}
