private void btnDecrypt_Click(object sender, EventArgs e)
{
string gdbPath = txtGDBPath.Text;
string errMsg;
if (rbAccessGDB.Checked)
{
EncryptGDB.GDB_Crypt_Status status = EncryptGDB.CheckAccessGDBStatus(gdbPath);
switch (status)
{
case EncryptGDB.GDB_Crypt_Status.GCS_NOT_AVAILABLE:
DisplayMessage("Access地理数据库无效");
break;
case EncryptGDB.GDB_Crypt_Status.GCS_ENCRYTED:
if (EncryptGDB.DecryptAccessGDB(gdbPath, out errMsg))
{
DisplayMessage("Access地理数据库解密成功");
}
else
{
DisplayMessage(errMsg);
}
break;
case EncryptGDB.GDB_Crypt_Status.GCS_NOT_CRYTED:
DisplayMessage("Access地理数据库未加密，无需再次解密");
break;
}
DoCheckAccessGDBStatus(gdbPath);
}
else if (rbFileGDB.Checked)
{
EncryptGDB.GDB_Crypt_Status status = EncryptGDB.CheckFileGDBStatus(gdbPath);
switch (status)
{
case EncryptGDB.GDB_Crypt_Status.GCS_NOT_AVAILABLE:
DisplayMessage("文件地理数据库无效");
break;
case EncryptGDB.GDB_Crypt_Status.GCS_ENCRYTED:
if (EncryptGDB.DecryptFileGDB(gdbPath, out errMsg))
{
DisplayMessage("文件地理数据库解密成功");
}
else
{
DisplayMessage(errMsg);
}
break;
case EncryptGDB.GDB_Crypt_Status.GCS_NOT_CRYTED:
DisplayMessage("文件地理数据库未加密，无需再次解密");
break;
}
DoCheckFileGDBStatus(gdbPath);
}
}
protected override void OnClick()
{
string errMsg = string.Empty;
string gdbPath = GetFileGDBPath();
if (Directory.Exists(gdbPath))
{
EncryptGDB.GDB_Crypt_Status gdbStatus = EncryptGDB.CheckFileGDBStatus(gdbPath);
switch (gdbStatus)
{
case EncryptGDB.GDB_Crypt_Status.GCS_NOT_AVAILABLE:
DisplayMessage("文件地理数据库无效");
return;
case EncryptGDB.GDB_Crypt_Status.GCS_ENCRYTED:
//判断是否过期
DateTime encryptedTime = EncryptGDB.GetFileGDBEncryptedTime(gdbPath);
if (encryptedTime < DateTime.Now)
{
DisplayMessage("文件地理数据库已过期");
return;
}
if (EncryptGDB.DecryptFileGDB(gdbPath, out errMsg))
{
IWorkspace ws = OpenFileGDBWorkspace(gdbPath);
Application.DoEvents();
//重新加密数据库
EncryptGDB.EncryptFileGDB(gdbPath, encryptedTime, out errMsg);
if (ws != null)
{
FormSelectDatasets frmSelectDatasets = new FormSelectDatasets(ws);
if (frmSelectDatasets.ShowDialog() == DialogResult.OK)
{
List <ILayer> layers = frmSelectDatasets.SelectedLayers;
IEnvelope extent = frmSelectDatasets.SelectedExtent;
AddLayersToMap(layers, extent);
}
}
}
else
{
DisplayMessage(errMsg);
}
break;
case EncryptGDB.GDB_Crypt_Status.GCS_NOT_CRYTED:
break;
}
}
}
private void DoCheckAccessGDBStatus(string gdbPath)
{
EncryptGDB.GDB_Crypt_Status status = EncryptGDB.CheckAccessGDBStatus(gdbPath);
switch (status)
{
case EncryptGDB.GDB_Crypt_Status.GCS_NOT_AVAILABLE:
DisplayMessage("Access地理数据库无效");
break;
case EncryptGDB.GDB_Crypt_Status.GCS_ENCRYTED:
btnEncrypt.Enabled = false;
dtpEncryptDate.Enabled = false;
btnDecrypt.Enabled = true;
break;
case EncryptGDB.GDB_Crypt_Status.GCS_NOT_CRYTED:
btnEncrypt.Enabled = true;
dtpEncryptDate.Enabled = true;
btnDecrypt.Enabled = false;
break;
}
}