在程序运行时,如果将命令按钮(Command)的Enabled属性设置为______ ,则命令按钮标题将呈灰色显示,不允许用户对其进行操作。
在程序运行时,如果将命令按钮(Command)的Enabled属性设置为______ ,则命令按钮标题将呈灰色显示,不允许用户对其进行操作。
窗体上添加有3个命令按钮,分别命名为Commandl、Command2和Command3,编写Commandl的单击事件过程,完成的功能为:当单击按钮Commandl时,按钮Command2可用,按钮Command3不可见。以下正确的是( )。 A: Private Sub Command l Click() Command2.Visible=TrueCommand3.Visible=False B: Private Sub Commandl Click() Command2.Enabled:TrueCommand3.Visible:FalseEnd SubEnd Sub C: Private Sub Commandl_Click() Command2.Enabled=TrueCommand3.Visible=False D: Private Sub Commandl_Click() Command2.Visible:TrueCommand3.Enabled=FalseEnd SubEnd Sub
窗体上添加有3个命令按钮,分别命名为Commandl、Command2和Command3,编写Commandl的单击事件过程,完成的功能为:当单击按钮Commandl时,按钮Command2可用,按钮Command3不可见。以下正确的是( )。 A: Private Sub Command l Click() Command2.Visible=TrueCommand3.Visible=False B: Private Sub Commandl Click() Command2.Enabled:TrueCommand3.Visible:FalseEnd SubEnd Sub C: Private Sub Commandl_Click() Command2.Enabled=TrueCommand3.Visible=False D: Private Sub Commandl_Click() Command2.Visible:TrueCommand3.Enabled=FalseEnd SubEnd Sub
要使某图层与其下面的图层合并可按()快捷键。 A: Command/Ctrl+K B: Command/Ctrl+E C: Command/Ctrl+D D: Command/Ctrl+L
要使某图层与其下面的图层合并可按()快捷键。 A: Command/Ctrl+K B: Command/Ctrl+E C: Command/Ctrl+D D: Command/Ctrl+L
On a Cisco Nexus 7000 Series Switch, what is the purpose of this command?() switch# config terminal switch(config)# mac address-table learning-mode conversational vlan 1-10 switch(config)# A: Enable conversational learning on FabricPath vlans 1-10 for F-Series module B: Enable FabricPath protocol on VLANs 1–10 C: No need for this command as conversational learning is enabled by default for all VLANs. D: Enable conversational learning on Classical Ethernet VLAN for F-Series module
On a Cisco Nexus 7000 Series Switch, what is the purpose of this command?() switch# config terminal switch(config)# mac address-table learning-mode conversational vlan 1-10 switch(config)# A: Enable conversational learning on FabricPath vlans 1-10 for F-Series module B: Enable FabricPath protocol on VLANs 1–10 C: No need for this command as conversational learning is enabled by default for all VLANs. D: Enable conversational learning on Classical Ethernet VLAN for F-Series module
Which three flow-control port states lead to enabled link flow control? () A: Receive port: Enabled, Transmit port: Enabled B: Receive port: Enabled, Transmit port: Desired C: Receive port: Enabled, Transmit port: Disabled D: Receive port: Disabled, Transmit port: Desired E: Receive port: Desired, Transmit port: Desired
Which three flow-control port states lead to enabled link flow control? () A: Receive port: Enabled, Transmit port: Enabled B: Receive port: Enabled, Transmit port: Desired C: Receive port: Enabled, Transmit port: Disabled D: Receive port: Disabled, Transmit port: Desired E: Receive port: Desired, Transmit port: Desired
找命令的快捷键是:() A: Control(Windows)/Command(MacOS)+C B: Control(Windows)/Command(MacOS)+M C: Control(Windows)/Command(MacOS)+F D: Control(Windows)/Command(MacOS)+S
找命令的快捷键是:() A: Control(Windows)/Command(MacOS)+C B: Control(Windows)/Command(MacOS)+M C: Control(Windows)/Command(MacOS)+F D: Control(Windows)/Command(MacOS)+S
在窗体运行时,复选框处于选中但不激活状态,表示( )。 A: Enabled为False且Value为0 B: Enabled为False且Value为1 C: Enabled为True且Value为0 D: Enabled为True且Value为1
在窗体运行时,复选框处于选中但不激活状态,表示( )。 A: Enabled为False且Value为0 B: Enabled为False且Value为1 C: Enabled为True且Value为0 D: Enabled为True且Value为1
Command对象的( ) 属性用来指定当前Command对象所属的Connection对象,即指定Command对象属于哪个数据库连接。
Command对象的( ) 属性用来指定当前Command对象所属的Connection对象,即指定Command对象属于哪个数据库连接。
First of all, this difficult problem has to be tackled, thus ______ us to proceed to the others. A: to enable B: enabled C: enabling D: having enabled
First of all, this difficult problem has to be tackled, thus ______ us to proceed to the others. A: to enable B: enabled C: enabling D: having enabled
I/O重定向可以把一个命令的输出发送到一个文件而不是屏幕。能够完成这个工作的命令格式是() A: command〉filename B: command〈filename C: filename〉command D: command〈〈filename
I/O重定向可以把一个命令的输出发送到一个文件而不是屏幕。能够完成这个工作的命令格式是() A: command〉filename B: command〈filename C: filename〉command D: command〈〈filename